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Science News Archive 2021


Page 88 of 510

Nanotwinned titanium forges path to sustainable manufacturing

Researchers at Lawrence Berkeley National Laboratory have discovered a new path forward for processing titanium. Cryo-forging at ultra-low temperatures produces extra-strong nanotwinned titanium with improved strength and ductility. The material maintains its structure and properties at extreme temperatures, demonstrating its versatility.

Depression, anxiety may be linked to c-section risk among pregnant women

A Michigan Medicine study found that perinatal mood and anxiety disorders are associated with significantly higher rates of first-time cesarean deliveries among low-risk pregnant women. The study suggests that identifying and treating these disorders in pregnant women may help reduce the risk of cesarean section deliveries.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Scientists publish first large-scale census of coral heat tolerance

A study published in Proceedings of the Royal Society B: Biological Sciences provides immediate actions for the world's largest coral restoration program. Researchers found significant variation in the heat tolerance of staghorn corals, with certain strains exhibiting higher resistance to warming oceans.

CABI to help overcome constraints to FAIR and responsible data use

CABI has been awarded a $4.5 million contract from the Bill & Melinda Gates Foundation to increase capacity for managing FAIR data standards. The project aims to ensure available data on agricultural development is based upon Findable, Accessible, Interoperable and Reusable principles.

How cultural differences shape responses to COVID-19

A study of cross-cultural differences in COVID-19 knowledge and attitudes found that people in Europe and the US had the lowest knowledge and adherence to safety measures. In contrast, people in the Middle East and Asia were more aware of COVID-19 and took greater precautions.

Anionic Nickel

Researchers discovered that nickel can catalyze the cross-coupling of aryl ethers through a nickelate anion. This reaction pathway relies on the formation and stability of the catalyst, providing an alternative to traditional palladium-catalyzed cross-couplings.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Choosing ‘good migrants’ for ‘Global Britain’

The UK's new visa for Hong Kongers is framed as a haven for Britain's former colonial subjects, but Professor Michaela Benson warns of 'undoubtedly colonialist overtones'. The visa scheme has been criticized for its selective nature and perceived biases towards certain migrants.

Hit the sleep ‘sweet spot’ to keep brain sharp

A multi-year study found that both short and long sleepers experience greater cognitive decline than those who slept a moderate amount. Researchers separated out the effects of poor sleep and Alzheimer's disease on cognition, suggesting a middle range or 'sweet spot' for total sleep time where cognitive performance is stable over time....

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Characteristics of bone loss in postmenopausal women

The study of 686 Finnish women found that postmenopausal bone loss is approximately 10% over a 25-year period. Taking hormone replacement therapy and gaining weight during follow-up were linked to lower postmenopausal bone loss rates.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Discovery of a potential new therapy for inflammatory arthritis

A study published in Science Translational Medicine reveals that blocking the excess production of MIF could lead to disease remission and prevent disability and mortality linked to SpA. Researchers have successfully tested a MIF blocker, called MIF098, in pre-clinical models.

Citizen scientists help assure quality of coastal biodiversity monitoring

A study in Brazil's Santos city showed that citizen science collaboration between civil society and academia can achieve progress toward ocean conservation goals. The project developed a methodology for integrating civil society and academia, including training and validation of monitoring protocols.

What drove the invention of military technologies?

The study found that advances in iron metallurgy, horse riding, and agricultural productivity played a significant role in the development of military machines. Mega-empires emerged as societies supporting tens of millions of inhabitants and covering vast territories.

Does a lifetime of vigorous exercise increase the risk of developing ALS?

A new study suggests that vigorous exercise during leisure time is not associated with an increased risk of developing amyotrophic lateral sclerosis (ALS). However, intense physical activity at work hours was linked to a higher risk, possibly due to repetitive motion or exposure to chemicals. Moderate exercise, even after symptoms begi...

COVID-19 vaccine effectiveness in adolescents

The study shows that COVID-19 vaccine effectiveness is substantial in adolescents, with a 93% decrease in symptomatic cases and a 90% decrease in documented infections after the second dose. Vaccine effectiveness was lower but still significant before the second dose.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Cascade-responsive nanobomb for anti-tumor synergistic therapies

Scientists developed a cascade-responsive nanobomb that generates multiple severe ROS storms at the tumor site, effectively inhibiting tumor growth and preventing metastasis. The device uses a domino effect to activate systemic immune responses while minimizing external energy stimulation.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Vaccines offer strong protection against death from Delta, study says

A new study published in the New England Journal of Medicine shows that vaccination is over 90% effective in preventing deaths from the Delta variant of Covid-19. The Pfizer-BioNTech and Oxford-AstraZeneca vaccines were found to be highly effective, with the former showing a 90% effectiveness rate and the latter at 91%.

Scientists enable a blind woman to see simple shapes

Researchers successfully implanted a microelectrode array in the visual cortex of a blind volunteer, allowing her to identify lines, shapes and simple letters. The implant stimulated neurons to produce phosphenes, creating an image and demonstrating safety and efficacy.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Origin of domestic horses finally established

A study led by Ludovic Orlando found that modern domestic horses were first domesticated in the Pontic-Caspian steppes around 2000-2200 BC. The genetic profile of these horses spread rapidly across Eurasia, replacing other horse populations and facilitating their conquest of the region.

First artificial scaffolds for studying plant cell growth

Plant biologists at Washington University in St. Louis have developed the first artificial scaffolds that can support individual plant cells, mimicking the properties of plant cell walls. The scaffolds demonstrate promising results for studying plant cell adhesion and growth.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Scientists use sintered porous media to build compact, efficient heat exchangers

Researchers from The University of Electro-Communications and Tokyo University of Agriculture and Technology found that sintering porous media inside heat transfer tubes increases the area available for heat exchange, reducing thermal resistance and enhancing heat transfer performance. Heat transfer in these tubes is five times greater...

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

A radical shift to link soot formation and interstellar evolution

KAUST researchers propose a radical new mechanism for polycyclic aromatic hydrocarbon (PAH) formation, which consumes fewer radicals than current hypotheses. The mechanism involves resonance-stabilized radicals, allowing successive addition reactions to occur without activation.

Male-female differences in heart disease could start before birth

A team of scientists has discovered that male-female differences in protein expression occur immediately after embryonic cells become heart cells called cardiomyocytes. This finding provides new opportunities for research into cardiac disease and treatment, as well as advancing the biological study of sex differences.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Salmon decline impacted by “squeeze” of combined river and sea stressors

A recent study published in Global Change Biology found that declines of Pacific salmon and trout are associated with 40 years of changes in their combined marine and freshwater ecosystems. The study reveals that stressors in both environments combine to impact fish resiliency, resulting in lower survival rates in rivers and the sea.

Radioactive metals for medicine get a boost from recently discovered protein

A recent study from Penn State and Lawrence Livermore National Laboratory has discovered a natural protein called lanmodulin that can recover and purify radioactive metals like actinium. The protein-based approach simplifies the purification process, reduces costs, and enables the production of higher-purity actinium.

Seek and you shall find.

The study utilizes gas-phase electrophoresis (GEMMA) to separate nanovesicles from proteins in natural samples. This allows for accurate attribution of effects to transport vesicles, crucial for understanding cellular communication and metabolism. The method has significant implications for extracellular vesicle research and its releva...

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

New technique paves the way for perfect perovskites

A new instrument at the Advanced Light Source enables simultaneous measurement of crystal structure and optical properties during perovskite synthesis. This allows for real-time monitoring of material quality and performance, leading to potentially more efficient solar cells.

Motorized droplets thanks to feedback effects

A team of physicists created 'droploids', self-propelled droplets containing colloidal particles that act as internal motors. The researchers used laser light to activate the system, creating a feedback loop that propels the droplets forward.

Climate change affects animal behavior

A study on over 100 species found that climate change affects animal behavior, including changes in aggression, activity, and sociability. The researchers believe that behavioral changes can serve as a buffer for animals to avoid negative effects of environmental change.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.